Dell Optiplex 7040 Upgrade Video Card RAM CPU SSD - YouTube
parts-quick 16GB Memory for Dell Optiplex 7040 Mini-Tower DDR4 2133MHz DIMM RAM at Amazon.com
Dell Optiplex 7040 Ultra Small Case Core i5 Gen 6 2.7GHZ 8GB RAM 250GB SSD
Amazon.com: DELL Optiplex 7040 Small Form Business Desktop Computer (Intel Core i5-6500 3.2GHz,8GB DDR3 RAM,256G SSD,DVD-ROM, Display Port, HDMI, USB 3.0, Windows 10 Pro 64-Bit) (Renewed)'] : Electronics
16GB (2X8GB) Memory Ram Compatible with Dell OptiPlex 7040 Mini Tower By CMS B107 - Walmart.com
WORKS GR8 Dell Optiplex 7040 SFF Desktop PC i7-6700 3.4GHz 8GB Ram NO HDD
Dell OptiPlex 7040 SFF Intel Core i5-6500 3.2GHz up to 3.6GHz 8GB 500GB SSD Win 10 Pro
A-Tech 4GB Memory RAM for Dell OptiPlex 7040 MT - DDR4 2666MHz PC4-21300 Non ECC DIMM 1Rx16 1.2V - Single Desktop Upgrade Module (Replacement for SNPCND02C/4G) at Amazon.com
CMS 32GB (2X16GB) DDR4 19200 2400MHZ Non ECC DIMM Memory Ram Upgrade Compatible with Dell® OptiPlex 7040 SFF, OptiPlex 7050 SFF/Tower - C114 at Amazon.com
Dell OptiPlex 7040, Mini Tower Desktop, Intel Core i7-6700, 3.4GHz, 16 – System Liquidation